Subtract 70/90 from 10/32
10/32 - 70/90 is -67/144.
Steps for subtracting fractions
- Find the least common denominator or LCM of the two denominators:
LCM of 32 and 90 is 1440
Next, find the equivalent fraction of both fractional numbers with denominator 1440 - For the 1st fraction, since 32 × 45 = 1440,
10/32 = 10 × 45/32 × 45 = 450/1440 - Likewise, for the 2nd fraction, since 90 × 16 = 1440,
70/90 = 70 × 16/90 × 16 = 1120/1440 - Subtract the two like fractions:
450/1440 - 1120/1440 = 450 - 1120/1440 = -670/1440 - After reducing the fraction, the answer is -67/144
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